There was a referencing error in the paper by Lonie et al. (Reference Lonie2008). The revised dual task was generously provided to the authors by Della Sala and colleagues, the citation of the reference by S. Della Sala incorrectly included a year. The correct form of the reference is given below:
Della Sala S (n.d.). Paper and Pencil Dual Task – University of Edinburgh (http://www.psy.ed.ac.uk/people/sdsala/tests/sddualtask). Accessed 1 February 2008.
